EntityQ12804667· pop 5· linked from 332 articlesU-2531Sign in to save1944 Type XXI submarineConnectionsmetric horsepowerEntitymotor-generatorEntityOberleutnant zur SeeEntity2 cm Flak 30/38/FlakvierlingEntityWorld War IIConceptHamburgEntityNazi GermanyConceptInternational Standard Book NumberEntitywattEntitytonneEntitytorpedoEntitydiesel engineEntityKriegsmarineEntityMAN SECompanynaval mineEntityU-boatEntityAdmiral HipperEntityTravemündeEntitytorpedo tubeEntitylong tonEntityCategories1944 shipsMaritime incidents in May 1945Operation Regenbogen (U-boat)Ship infoboxes without an imageShips built in HamburgType XXI submarinesU-boats commissioned in 1945World War II submarines of Germany